Commit 6dd47cfd authored Feb 10, 2017 by Laurent Pinchart

drm: rcar-du: Handle event when disabling CRTCs

The driver currently handles vblank events only when updating planes on
a CRTC. The atomic update API however allows requesting an event when
disabling a CRTC. This currently leads to event objects being leaked in
the kernel and to events not being sent out. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

parent 9e7d80e6

drivers/gpu/drm/rcar-du/rcar_du_crtc.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -488,6 +488,13 @@ static void rcar_du_crtc_disable(struct drm_crtc *crtc)
		rcar_du_crtc_stop(rcrtc);
		rcar_du_crtc_put(rcrtc);

		spin_lock_irq(&crtc->dev->event_lock);
		if (crtc->state->event) {
		drm_crtc_send_vblank_event(crtc, crtc->state->event);
		crtc->state->event = NULL;
		}
		spin_unlock_irq(&crtc->dev->event_lock);

		rcrtc->outputs = 0;
		}